Attached example demonstrates SPI data transfer between SPI0 and SPI1 in DMA mode for ADSP-SC584. You need expansion interface and connect in P1A connector of Ezkit as below:
TX P1A --> RX P1A
SPI0 CLK PC_09 (82 pin) --> SPI1 CLK PE_13 (113 pin)
SPI0 MOSI PC_11 (84 pin) --> SPI1 MOSI PE_15 (114 pin)
SPI0 CS PC_07 (39 pin) --> SPI1 CS PC_13 (62 pin)SPI.zip